Home / 13,600.38-18,767.11-7,933.62

Finding the Fourth Proportional to 13,600.38, 18,767.11 and 7,933.62

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Solution

The fourth proportional to 13,600.38, 18,767.11 and 7,933.62 is: 10,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.38 : 18,767.11 = 7,933.62 : x
  2. Step 2: Convert to fraction form
    13,600.38/18,767.11 = 7,933.62/x
  3. Step 3: Cross multiply
    13,600.38x = 18,767.11 × 7,933.62
  4. Step 4: Simplify right side
    13,600.38x = 148,891,119.24
  5. Step 5: Solve for x
    x = 148,891,119.24/13,600.38
  6. Step 6: Final answer
    x = 10,947.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.